Brainlies 1. which of the following is an appropriate unit to measure large distances across the solar system? astronomical unit meter square mile year 2. the picture

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

9. wind power creates pollution. water air soil noise

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture